I'm going to call those numbers Dynojet numbers and not pick it apart any further. I don't know the particulars of the setup (only really sifted the 1.4 liter build thread) but the power figure he mentions only calls for 130-135 wtq at 8000 rpms. With 13.5:1 I can marginally believe that number, since the dyno sheets are gone I can't see the way it goes down but if it's super peaky and making that power right at 9000 rpms that's 118-120 wtq. Getting the D16 to carry those numbers is the hard part, but a 1.4 is going to be more likely to do so.
There's a LOT that would have to be going on with the ports and valvejob, but I think it could be done. Not with *my* wallet, of course.